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Inventor:
Ury; Michael G.
Address:
Bethesda, MD
No. of patents:
37
Patents:












Patent Number Title Of Patent Date Issued
5866990 Microwave lamp with multi-purpose rotary motor February 2, 1999
In a microwave powered electrodeless lamp, a single rotary motor is used to a) rotate the bulb and b) provide rotary motion to a blower or pump means for providing cooling fluid to the magnetron and/or to a forced gas cooling for providing cooler gas to the bulb. The blower may consist o
5866980 Sulfur/selenium lamp with improved characteristics February 2, 1999
The spectral energy characteristic of a discharge lamp is controlled by changing the density of the fill substance. The spectral characteristic can be shifted while substantially maintaining its shape by changing the density of the fill. A sulfur or selenium containing discharge lamp whi
5834895 Visible lamp including selenium November 10, 1998
A lamp for emitting in the visible portion of the spectrum, which utilizes a fill which includes a selenium and/or a sulfur containing substance. The lamp has superior performance characteristics, including long lifetime and excellent color rendition. The bulb may be either electrodeless
5831386 Electrodeless lamp with improved efficacy November 3, 1998
A sulfur, selenium, and/or tellurium based lamp for providing visible light. The lamp is operated in a regime for providing high efficacy wherein the ratio of the volume to surface area of the bulb is greater than 0.45 cm, the concentration of the sulfur, selenium, or tellurium is le
5804922 Lamp with controllable spectral output September 8, 1998
The spectral energy characteristic of a discharge lamp is controlled by changing the density of the fill substance. The spectral characteristic can be shifted while substantially maintaining its shape by changing the density of the fill. A sulfur or selenium containing discharge lamp whi
5798611 Lamp having controllable spectrum August 25, 1998
The spectral energy characteristic of a discharge lamp is controlled by changing the density of the fill substance. The spectral characteristic can be shifted while substantially maintaining its shape by changing the density of the fill. A sulfur or selenium containing discharge lamp whi
5773918 Lamp with light reflection back into bulb June 30, 1998
The spectral energy characteristic of a discharge lamp is controlled by changing the density of the fill substance. The spectral characteristic can be shifted while substantially maintaining its shape by changing the density of the fill. A sulfur or selenium containing discharge lamp whi
5757130 Lamp with electrodes for increased longevity May 26, 1998
A lamp for emitting in the visible portion of the spectrum, which utilizes a fill which includes a selenium and/or a sulfur containing substance. The lamp has superior performance characteristics. Special electrode structures are provided which enhance longevity.
5682080 Method and apparatus for igniting electrodeless lamp discharge October 28, 1997
Ignition of an electrodeless lamp, energized by microwave or radio frequency energy, is achieved by disposing an additive material in the lamp envelope along with the primary fill material. In a first embodiment, the additive is at least partially electrically conductive at room temp
5670842 Method and apparatus for igniting electroeless lamp discharge September 23, 1997
Ignition of an electrodeless lamp, energized by microwave or radio energy, is achieved by disposing an additive material in the lamp envelope along with the primary fill material. In a first embodiment, the additive is at least partially electrically conductive at room temperatures but
5606220 Visible lamp including selenium or sulfur February 25, 1997
A lamp for providing visible light which utilizes a fill containing selenium and/or sulfur, or compounds of these substances. The lamp is excited such that the excited fill emits radiation from elemental selenium and/or elemental sulfur which is in a continuous band principally within
5404076 Lamp including sulfur April 4, 1995
A high power lamp which utilzes a lamp fill containing sulfur or selenium, or compounds of these substances. An electrodeless lamp utilizing such a fill at a pressure at least as high as 1 atmosphere is excited at a power density in excess of 50 watts/cc. An arc lamp utilizing the fill a
5361274 Microwave discharge device with TM.sub.NMO cavity November 1, 1994
A microwave powered discharge device which utilizes a TM.sub.NMO cavity. A conductive body is positioned at a null in a discharge device which utilizes a TM.sub.210 cavity to reduce direct coupling from the microwave coupling means, e.g., slot of the cavity. A plurality of TM.sub.110
5334913 Microwave powered lamp having a non-conductive reflector within the microwave cavity August 2, 1994
A microwave-powered discharge lamp having a microwave cavity, a discharge lamp mounted within the cavity, a reflector for light emitted by the lamp mounted outside the cavity, and a non-conductive reflector mounted within the cavity for outwardly reflecting light emitted from the lamp.
5247178 Method and apparatus for treating fluids by focusing reflected light on a thin fluid layer September 21, 1993
Apparatus for treating a fluid by irradiating a thin film of the fluid with high intensity, concentrated light. The irradiation affects chemical physical or biological activity changes in the fluid.
5171609 Fiber curing with fluid flow December 15, 1992
An inert ultraviolet light reaction chamber is provided with a flow of liquid on its light transmitting wall surface. The fluid prevents the build up of light blocking deposits, controls the temperature, and filters out undesired portions of the spectrum.
5118989 Surface discharge radiation source June 2, 1992
A surface discharge excimer light source which employs a one sided cell wherein all electrodes and the dielectric are on one side of the discharge space. The light produced by the device is neither shadowed nor attenuated by an electrode, and the electrode temperatures can be closely con
5051663 Electrodeless lamp with improved bulb mounting arrangement September 24, 1991
An improved bulb mounting arrangement for an electrodeless lamp to prevent the bulb from rotating during lamp operation. The shape of the bulb mounting projection ends and the shape of the cavity side wall openings are arranged so as to cooperate with each other to preclude substantial
4978891 Electrodeless lamp system with controllable spectral output December 18, 1990
An electrodeless lamp system and method for providing light output having a controlled spectral distribution. A lamp having a fill which is not fully vaporized at the lamp operating temperature and which emits in a characteristic region of the spectrum is used. A function generator g
4954755 Electrodeless lamp having hybrid cavity September 4, 1990
A microwave powered electrodeless lamp which employs a hybrid cylindrical cavity which is part mesh and part solid. The cylindrical mesh portion permits the lamp to be used with an external reflector while the cylindrical solid portion enables a plurality of waveguides to be coupled
4887192 Electrodeless lamp having compound resonant structure December 12, 1989
An electrodeless lamp which couples to a small bulb and obtains a relatively high light output therefrom. A cavity which comprises a compound resonant structure including vestibule and reflector portions is provided. The combination of vestibule and reflector results in a condition o
4885047 Apparatus for photoresist stripping December 5, 1989
An apparatus for rapidly stripping a photoresist which utilizes an oxidizing fluid such as ozone. A very thin layer of oxidizing fluid of four millimeters or less is flowed over the photoresist. The fluid flows at high velocity over the resist, while the resist is heated. Additionall
4868509 Method and apparatus for detecting magnetron power supply failure September 19, 1989
A method and apparatus for detecting system failure in a magnetron power supply circuit. The apparatus is capable of providing an indication as to whether it is the power supply or the magnetron which has failed. A dual half wave doubler power supply circuit is provided and the currents
4859906 Deep UV lamp bulb with improved fill August 22, 1989
An electrodeless lamp bulb comprises of a quartz envelope and a fill containing mercury in a ratio of from 0.5-0.9 microliters per milliliter of envelope volume at room temperature. A lamp including such bulb which is powered by microwaves.
4794503 Lamp having improved image resolution December 27, 1988
A lamp including a reflector and a light source for illuminating a target area in which the light rays on the target and have a small average local divergence. The reflector and light source are configured so that the predominant portion of the light rays which strike the target area do
4749915 Microwave powered electrodeless light source utilizing de-coupled modes June 7, 1988
A microwave powered electrodeless light source in which a relatively high power level is coupled to the bulb. This is accomplished by arranging for a plurality of energy modes which are substantially de-coupled from each other to be present in the microwave cavity.
4695757 Method and apparatus for cooling electrodeless lamps September 22, 1987
A method of cooling the lamp envelope of an electrodeless lamp by directing a stream of cooling gas at the envelope while providing relative rotation between the lamp envelope and the stream of cooling gas. The relative rotation can be achieved by rotating the envelope, or the source of
4641033 Apparatus and method preventing radiation induced degradation of optical elements February 3, 1987
An apparatus and method for maintaining an optical element at a sufficiently high temperature during transmission of radiation by the optical element to prevent radiation degradation of the optical element by an increase in the absorption of at least one wavelength of the radiation.
4633140 Electrodeless lamp having staggered turn-on of microwave sources December 30, 1986
A microwave powered electrodeless light source which is powered by two magnetrons which are excited successively.
4532427 Method and apparatus for performing deep UV photolithography July 30, 1985
A method and apparatus for performing deep UV photolithography which utilizes a microwave generated electrodeless light source for producing deep UV radiation. This results in faster semiconductor exposure times and less system downtime for changing failed bulbs as well as other advantag
4504768 Electrodeless lamp using a single magnetron and improved lamp envelope therefor March 12, 1985
A microwave generated electrodeless lamp using a single magnetron, and an improved lamp envelope therefor. An elongated lamp envelope containing a plasma forming medium is disposed in a microwave chamber comprised of a reflector and mesh. The reflector includes a pair of coupling slots,
4501993 Deep UV lamp bulb February 26, 1985
An electrodeless lamp bulb for producing relatively high radiation output in the deep ultraviolet part of the spectrum when excited with microwave energy wherein the bulb envelope is made of synthetic quartz which is substantially water-free. This results in increased bulb lifetime, sinc
4485332 Method & apparatus for cooling electrodeless lamps November 27, 1984
A method and apparatus for cooling electrodeless lamps which permits high power density operation, and bright lamp output. The lamp envelope is rotated about an axis passing therethrough while at least a stream of cooling gas is directed at it. A plurality of such streams may be posi
4359668 Method and apparatus for igniting electrodeless discharge lamp November 16, 1982
A method and apparatus for igniting a microwave generated discharge lamp. An ultraviolet-producing means is positioned so as to irradiate the fill-containing envelope of the discharge lamp. The ultraviolet-producing means is excited by microwave energy which is extracted from means which
4269581 Apparatus for molding thermosetting material May 26, 1981
An apparatus and method for molding thermosetting material into shaped articles rapidly and without the occurrence of hot spots or other defects. A mold having a cavity conforming to the shape of the article to be molded is provided and is filled with thermosetting material. An energy so
4227170 Current-reducing device October 7, 1980
A current-reducing device (fuse or switch) is described comprising a foil mber of Al or Mg which is immersed in a fluid with which it will chemically react (such as H.sub.2 O or H.sub.2 O.sub.2) above a certain temperature. The foil member is an electrical conductor but becomes an el
4208587 Method and apparatus for ultraviolet curing of three dimensional objects without rotation June 17, 1980
A method and apparatus for curing three dimensional objects such as cylindrical two piece cans with ultraviolet light without having to rotate the cans, at conventional can line speeds and using a minimum number of lamp units. In a first embodiment, the cans are moved, without rotation,










 
 
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